iOS 11.4 (build 15F5061d) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-05-01T17:06:12Z. The update package is 271.82 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7a4ab47c06bbc6abda5aa22ca7da8d10fad20a1c.zip.